The PWRA247 from Bourns are Wirewound-Resistors. They have a resistance of 0.1 ohm-50 kilo-ohms and a resistance tolerance of up to 5%. These resistors have a power rating of 7 W. They have very low temperature coefficient of resistance (TCR) and excellent surge capabilities. These RoHS-compliant resistors are available in a surface-mount package that measures 30.60 x 12.0 x 13.00 mm and are ideal for telecommunications, switching power supplies, motor controls, and high pulse-withstanding applications.